Page 246 - Introduction to Continuum Mechanics

Table 5.2 Elastic constants for isotropic materials at room temperaturet.

Material Composition Modulus of Poisson's Shear Modulus^ Lame Constant A Bulk Modulus k
Elasticity E Y Ratio v
6 s
10 psi GPa 10 psi GPa 10 psi GPa 10 psi GPa
Aluminum Pure and alloy 9.9-11.4 68.2-78.5 0.32-0.34 3.7-3.85 25.5-26.53 6.7-9.1 46.2-62.7 9.2-11.7 63.4-80.6
Brass 60-70% Cu, 40-30% Zn 14.5-15.9 99.9-109.6 0.33-0.36 5.3-6.0 36.6-41.3 10.6-15.0 73.0-103.4 14.1-19.0 97.1-130.9
Copper 17-18 117-124 0.33-0.36 5.8-6.7 40.0-46.2 12.4-19.0 85.4-130.9 163.3-21.5 112.3-148.1
Iron, cast 2.7-3.6% C 13-21 90-145 0.21-0.30 5.2-8.2 35.8-56.5 3.9-12.1 26.9-83.4 7.4-17.6 51.0-121.3
Steel Carbon and low alloy 5.4-16.6 106.1-114.4 0.34 6.0 41.3 12.2-13.2 84.1-90.9 16.2-17.2 111.6-118.5
Stainless steel 18% Cr, 8% Ni 28-30 193-207 0.30 10.6 73.0 16.2-17.3 111.6-119.2 23.2-24.4 160.5-168.1
Titanium Pure and alloy 15.4-16.6 106.1-114.4 0.34 6.0 41.3 12.2-13.2 84.1-90.9 16.2-17.2 111.6-118.5
Glass Various 7.2-11.5 49.6-79.2 0.21-0.27 3.8-4.7 26.2-32.4 2.2-5.3 15.2-36.5 4.7-8.4 32.4-57.9
Methyl methacrylate 0.35-0.5 2.41-3.45 -- -- -- -- -- -- --
Polyenthylene 0.02-0.055 0.14-0.38
t t t t
Rubber 0.00011- 0.00076- 0.50 0.00004- 0.00028- 00 90 oc 00
0.00060 0.00413 0.00020 0.00138

t As v approaches 0.5 the ratio of k/Ey and A/^u -» ». The actual value of k and A for some rubbers may be close to the values of
steel.
$ Partly from "an Introduction to the Mechanics of Solids," S.H. Crandall and N.C. Dahl, (Eds.), Mcgraw-Hill, 1959. (Used
with permission of McGraw-Hill Book Company.)